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131033332100 = 225211210829201
BaseRepresentation
bin111101000001000110…
…0011111100110000100
3110112012221022221210002
41322002030133212010
54121324013111400
6140110151020432
712316061642246
oct1720214374604
9415187287702
10131033332100
1150630999900
122148a96a718
13c482cb2548
1464b0812096
15361d92aed5
hex1e8231f984

131033332100 has 54 divisors (see below), whose sum is σ = 312541598922. Its totient is φ = 47648480000.

The previous prime is 131033332081. The next prime is 131033332121. The reversal of 131033332100 is 1233330131.

It can be written as a sum of positive squares in 3 ways, for example, as 30852219904 + 100181112196 = 175648^2 + 316514^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5402501 + ... + 5426700.

Almost surely, 2131033332100 is an apocalyptic number.

131033332100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131033332100 is an abundant number, since it is smaller than the sum of its proper divisors (181508266822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131033332100 is a wasteful number, since it uses less digits than its factorization.

131033332100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829237 (or 10829219 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 131033332100 its reverse (1233330131), we get a palindrome (132266662231).

The spelling of 131033332100 in words is "one hundred thirty-one billion, thirty-three million, three hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 10829201 21658402 43316804 54146005 108292010 119121211 216584020 238242422 270730025 476484844 541460050 595606055 1082920100 1191212110 1310333321 2382424220 2620666642 2978030275 5241333284 5956060550 6551666605 11912121100 13103333210 26206666420 32758333025 65516666050 131033332100